Dixon and Ivy go on a real date during the episode "Multiple Choices." It doesn't go very well.
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Jen returns on this episode of 90210. Check out the official CW promo for "Multiple Choices."
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90210 Season 2 Episode 19 Quotes

Do close your mouth, Naomi. That's really not a good look for you.

Jen

There's nowhere I'd rather be than right here with you, right now... sorry, I gotta take this.

Dixon